What is Leah Williams's NPI number?

Leah Williams's National Provider Identifier (NPI) is 1639037187, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leah Williams's specialty?

Leah Williams is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Leah Williams located?

Leah Williams's practice location on file with NPPES is 8200 Georgia St, Merrillville, IN 46410-6227.

What is Leah Williams's phone number?

The practice phone number listed in the NPPES registry for Leah Williams is (219) 791-1400.

Is Leah Williams's NPI active?

Yes — Leah Williams's NPI (1639037187) is active in the NPPES registry as of the last update on 2026-01-13.

IndividualActive

Leah Williams

NPI 1639037187 · Behavior Technician · Merrillville, IN

Leah Williams is a Behavior Technician provider in Merrillville, IN (NPI 1639037187).

Provider details

NPI number: 1639037187
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

8200 Georgia St

Merrillville, IN 46410-6227

Phone: (219) 791-1400

Street-level locationGet directions

Mailing address